@page "/Scripting/Snippets/Add"
@page "/Scripting/Snippets/{Group}/{Name}"
@attribute [Authorize(Roles = RoleService.AdministratorRoleName)]
@inject ScriptService ScriptService
@inject NavigationManager NavigationManager
@inject IMessageService MessageService
@inject ILogger<Edit> Logger

<PageHeader Title="@(IsNew ? "Add Snippet" : $"{Snippet.Group} / {Snippet.Name}")">
    <PageHeaderExtra>
        <Flex Gap="FlexGap.Small">
            <Button OnClick="@(() => NavigationManager.NavigateTo("/Scripting/Snippets"))">Back</Button>
            <Button OnClick="Save" Type="@ButtonType.Primary">Save</Button>
        </Flex>
    </PageHeaderExtra>
</PageHeader>

<PageContent>
    <Form Model="@Snippet" Layout="@FormLayout.Vertical">
        <FormItem Label="Group">
            <Input @bind-Value="@context.Group" />
        </FormItem>
        <FormItem Label="Name">
            <Input @bind-Value="@context.Name" />
        </FormItem>
        <FormItem Label="Content">
            <PowerShellScriptEditor @bind-Value="@context.Content" OnSave="Save" Height="500" />
        </FormItem>
    </Form>
</PageContent>

@code {
    [Parameter] public string Group { get; set; }
    [Parameter] public string Name { get; set; }

    Snippet Snippet { get; set; } = new();

    string _originalGroup;
    string _originalName;

    bool IsNew => string.IsNullOrEmpty(_originalName);

    protected override void OnParametersSet()
    {
        if (!string.IsNullOrEmpty(Name))
        {
            var snippet = ScriptService.GetSnippet(Group, Name);

            if (snippet != null)
            {
                Snippet = snippet;
                _originalGroup = snippet.Group;
                _originalName = snippet.Name;
            }
        }
    }

    void Save()
    {
        try
        {
            if (string.IsNullOrWhiteSpace(Snippet.Group) || string.IsNullOrWhiteSpace(Snippet.Name))
            {
                MessageService.Error("Group and Name are required.");
                return;
            }

            if (!IsNew && (_originalGroup != Snippet.Group || _originalName != Snippet.Name))
                ScriptService.DeleteSnippet(_originalGroup, _originalName);

            ScriptService.SaveSnippet(Snippet);

            _originalGroup = Snippet.Group;
            _originalName = Snippet.Name;

            MessageService.Success("Snippet saved!");

            NavigationManager.NavigateTo("/Scripting/Snippets");
        }
        catch (Exception ex)
        {
            MessageService.Error("Could not save snippet!");
            Logger?.LogError(ex, "Could not save snippet");
        }
    }
}